," notre dame football star manti te'o speaks out exclusively to katie couric. how he defends being in love with a woman he never met. our reporter tracks down the man accused of masterminding the whole thing. >>> and we're up close with tigers like you have never seen them before. >>> also coming up, how "saved by the bell" star tiffani thiessen is bucking hollywood standards and pushing back on being thin. >>> and michael strahan. a mountain of energy. rest up, michael, you're going to need it. up, michael, you're going to need it. energy. good stuff, michael. you're going to need it. means living with pain. it could also mean living with joint damage. humira, adalimumab, can help treat more than just the pain. for many adults, humira is clinically proven to help relieve pain and stop further joint damage. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal events, such as infections, lymphoma, or other types of cancer, have happened. blood, liver and nervous system problems, serious allergic reactions, and new or worsening heart failure hav